 

	var btn=document.getElementById('btn');
	var clipboard=new Clipboard(btn);
	clipboard.on('success', function(e){
		$('#show').slideDown().delay(3000).slideUp(300);
		console.log(e);
	});
	clipboard.on('error', function(e){
		$('#show').slideDown().delay(1500).slideUp(300);
		console.log(e);
	});

 